Add easy way to set Read/WriteTimeout instead of http://targetliu.com/golang-iriszhong-tong-guo-pluginshe-zhi-httpchao-shi-shi-jian/

Instead of this article, I just found, shows you how to inject the main
server, now you can just use the:
iris.ListenTo(config.Server{WriteTimeout: 5* time.Second, ReadTimeout=
5*time.Second, ListeningAddr:":8080"})

http.go

@@ -434,7 +434,8 @@ func (s *Server) Open(h fasthttp.RequestHandler) error {
 	s.Server.MaxRequestBodySize = s.Config.MaxRequestBodySize
 	s.Server.ReadBufferSize = s.Config.ReadBufferSize
 	s.Server.WriteBufferSize = s.Config.WriteBufferSize
-
+	s.Server.ReadTimeout = s.Config.ReadTimeout
+	s.Server.WriteTimeout = s.Config.WriteTimeout
 	if s.Config.RedirectTo != "" {
 		// override the handler and redirect all requests to this addr
 		s.Server.Handler = func(reqCtx *fasthttp.RequestCtx) {